# HFF Integrity vs RefereeWise

The clearest difference is in-app purchases: HFF Integrity at none against RefereeWise's 1. HFF Integrity also leads on ads (none vs shown). RefereeWise's advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. RefereeWise sells 1 one-off in-app purchase. HFF Integrity asks for nothing beyond the download.

HFF Integrity ships an update every 2 months, RefereeWise every 3 weeks. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | HFF Integrity | RefereeWise |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 38 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hellenic Football Federation](https://appshunter.io/developer/1502961009) | [RefereeWise sp. z o.o.](https://appshunter.io/developer/1771856523) |

## What reviewers say

### HFF Integrity

[App page](https://appshunter.io/ios/app/hff-integrity/id1502961010)

**Features:** macOS Compatibility

**In-app purchases:** none


### RefereeWise

[App page](https://appshunter.io/ios/app/refereewise-referee-tests/id6736403214)

This app helps soccer referees prepare for exams with over 800 questions aligned with the latest Laws of the Game. It offers various study modes, including exam simulation and mistake review, plus an AI assistant for rule queries.

**Highlights:** 800+ exam questions, Exam simulation mode, Study and mistake review, AI Laws of the Game Assistant, Up-to-date 2024/2025 rules, Convenient mobile learning

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RefereeWise Pro (30 days) | $7.99 | one-time |


## Frequently asked questions

### Is HFF Integrity free?

HFF Integrity is free to download, with no in-app purchases.

### Is RefereeWise free?

RefereeWise is free to download, with in-app purchases available.

### Do HFF Integrity or RefereeWise have ads?

RefereeWise shows ads; HFF Integrity does not.

### Which is updated more often, HFF Integrity or RefereeWise?

HFF Integrity ships an update every 2 months, and RefereeWise every 3 weeks. Most recently, HFF Integrity was updated on September 29, 2026 and RefereeWise on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*